What is the empirical formula of a compound that is 40% sulfur and 60% oxygen by weight?
a. so
b. so3
c. so2
d. s6o4

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2